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| Place of Origin | China |
| Brand Name | ROSCHEN |
| Certification | ISO |
| Model Number | 2 1/4" |
Double Key Hollow Stem Auger 2 1/4” (57mm)
The tool joints are made from 4142 alloy steel and feature single-bolt connections.
All 2 1/4″ (57mm) Double Key Hollow Stem Augers feature a continuous hard faced flighting design, 3/8″ (9.5mm) thick on the outer edge with a 5″ pitch.
| Description | Lbs. | Kg. | |
| Auger Section | |||
| 1 | 2 1/4″ (57mm) DK Hollow Stem Auger 2 1/4″ (57mm) I.D. x 5 5/8″ (143mm) O.D. x 5′ (1524mm) | 52 | 23.5 |
| 2 | 2 1/4″ (57mm) DK Drive Cap with 1 5/8″ (41mm) Hex Pin | 16 | 7.3 |
| 3 | #2 Nut & Bolt for Rod-to-Cap Adapter | 0.9 | 0.4 |
| 4 | 2 1/8″ (54mm) Pilot Bit Connector (AW Box – A-Rod Box) | 5 | 2.3 |
| 4 | 2 1/8″ (54mm) Pilot Bit Connector (AWJ Box – A-Rod Box) | 5 | 2.3 |
| 5 | Rod-to-Cap Adapter – AW Pin | 3 | 1.4 |
| 5 | Rod-to-Cap Adapter – AWJ Pin | 3 | 1.4 |
| 6 | AW Drill Rod – 5′ (1524mm) | 21 | 9.5 |
| 6 | AWJ Drill Rod – 5′ (1524mm) | 23 | 10.4 |
| Auger Repair Parts | |||
| 1A | 2 1/4″ (57mm) DK Pin Tool Joint | 6 | 2.7 |
| 1B | 2 1/4″ (57mm) DK Box Tool Joint | 5 | 2.3 |
| 7 | ALB2 Auger Lock Bolt | 0.3 | 0.1 |
| 8 | ABN2 Auger Bushing Nut | 0.3 | 0.1 |
| 9 | ADK1 Auger Drive Key | 0.3 | 0.1 |
| Auger Cutterheads and Pilot Bits | |||
| 10 | 2 1/4″ (57mm) DK Spade Cutterhead – 6 1/2″ (165mm) O.D. | 10 | 4.5 |
| 10 | 2 1/4″ (57mm) DK Spade/Bullet Cutterhead – 6 1/2″ (165mm) O.D. | 9 | 4.1 |
| 10 | 2 1/4″ (57mm) DK Bullet Cutterhead – 6 1/2″ (165mm) O.D. | 10 | 4.5 |
| 10 | 2 1/4″ (57mm) DK 5-T Cutterhead – 6 1/2″ (165mm) O.D. | 10 | 4.5 |
| 11 | 2 1/8″ (54mm) Apex Pilot Bit, A-Rod Pin | 2.5 |
1.3 |
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